Dust brush handle



FIG. 1 is a is a left-side view;

FIG. 2 is a top view;

FIG. 3 is a back view;

FIG. 4 is a front view;

FIG. 5 is a right-side view; and,

FIG. 6 is a bottom view.

The broken lines in FIG. 1 represent bristles, and form no part of the claimed design. 

The ornmental design for a dust brush handle, as shown and described. 